weasel. (vertebrate zoology). The common name for at least 12 species of small, slim carnivores which belong to the family Mustelidae and which have a reddish-brown coat with whitish underparts; species in the northern regions have white fur during the winter and are called ermine.
If you or your child has strep throat, your doctor will likely prescribe an oral antibiotic. If taken within 48 hours of the onset of the illness, antibiotics reduce the duration and severity of symptoms, as well as the risk of complications and the likelihood that infection will spread to others.
My D's strep throat that would not go away with antibiotics (diagnosed the same way - no tests) turned out to be mono, later confirmed by a blood test. As someone with a huge personal strep throat experience, I'd say antibiotics should start showing their effect after 24 hours.